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TPS40200MDREP

IC REG CTRLR BUCK 8SOIC

Part Number: TPS40200MDREP

Manufacturer: Texas Instruments

Category: DC DC Switching Controllers

Package: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: TPS40200MDREP.pdf

Description: IC REG CTRLR BUCK 8SOIC

Select Quantity Stock: 17,635

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PRODUCT INFORMATION

Product Details

PRODUCT TECHNICAL REFERENCE

TPS40200MDREP Enhanced Product Wide-Input-Range Non-Synchronous Voltage-Mode Buck DC/DC Controller with 200-mA P-Channel FET Driver

A comprehensive technical overview of the TPS40200MDREP, an Enhanced Product (EP) non-synchronous voltage-mode buck controller from Texas Instruments featuring a 4.5V to 52V wide input range, built-in 200-mA P-channel FET driver, programmable fixed-frequency operation from 35kHz to 500kHz, and 8-pin SOIC package rated for operation from –55°C to +125°C. Covers device function, core features, electrical specifications, pin configuration, typical applications, and replacement selection guidance.

Texas Instruments 8-SOIC (3.90mm Width) 4.5V to 52V

Device Classification Enhanced Product Non-Synchronous Buck DC/DC Controller

Part Number: TPS40200MDREP

Mounting Type: Surface Mount

Operating Temperature Range: -55°C to +125°C

PRODUCT OVERVIEW

What Is the TPS40200MDREP?

TPS40200MDREP is a flexible non-synchronous voltage-mode buck DC/DC controller from Texas Instruments with a built-in 200-mA driver for P-channel FETs. The circuit operates with inputs up to 52V, featuring a power-saving feature that turns off driver current once the external FET has been fully turned on. This feature extends the flexibility of the device, allowing it to operate with an input voltage up to 52V without dissipating excessive power.

The TPS40200MDREP operates with voltage-mode feedback and has feed-forward input-voltage compensation that responds instantly to input-voltage change. The integral 700-mV reference is trimmed to 2%, providing the means to accurately control low voltages. Clock frequency, soft start, and overcurrent limit are each easily programmed by a single external component. The part has undervoltage lockout (UVLO) and can be easily synchronized to other controllers or a system clock to satisfy sequencing and/or noise-reduction requirements.

The TPS40200MDREP is an Enhanced Product (EP) grade device featuring a controlled baseline, one assembly/test site, one fabrication site, extended product life cycle, extended product-change notification, and product traceability. It is available in an 8-pin SOIC package (D) with a 3.90mm body width, rated for operation from –55°C to +125°C. The device is RoHS compliant (ROHS3), REACH unaffected, and in active production.

Wide Input Voltage Range 4.5V to 52V input voltage range with output voltage adjustable from 0.7V to 46V.

Built-in 200-mA P-Channel FET Driver Integrated driver with power-saving feature that turns off driver current once the external FET is fully on.

Enhanced Product (EP) Grade Controlled baseline, extended product life cycle, and extended temperature range of –55°C to +125°C.

DEVICE HIGHLIGHTS

Key Features and Benefits of TPS40200MDREP

Enhanced Product (EP) Grade

Controlled baseline, one assembly/test site, one fabrication site, extended product life cycle, extended product-change notification, and product traceability.

Wide Input Voltage Range

Operates from 4.5V to 52V input, supporting a broad spectrum of high-voltage applications including industrial and military systems.

Integrated 200-mA P-Channel FET Driver

Built-in 200-mA driver for P-channel FETs with power-saving feature that turns off driver current once the external FET has been fully turned on.

Programmable Fixed-Frequency Operation

Switching frequency programmable from 35kHz to 500kHz with external synchronization capability for sequencing and noise-reduction requirements.

Extended Temperature Range

Rated for operation from –55°C to +125°C, making it suitable for military, aerospace, and harsh industrial applications.

Compact 8-Pin SOIC Package

Available in an 8-pin SOIC package (D) with a 3.90mm body width, ideal for space-constrained high-reliability designs.

REFERENCE DATA

Technical Specifications for TPS40200MDREP

Part Number	TPS40200MDREP	Manufacturer	Texas Instruments
Device Type	Non-Synchronous Voltage-Mode Buck Controller	Output Type	Transistor Driver
Topology	Buck	Number of Outputs	1
Input Voltage Range (V_DD)	4.5V to 52V	Output Voltage Range	0.7V to 46V (Adjustable)
Output Current (Max)	3A (External FET Dependent)	Internal FET Driver	200mA P-Channel
Switching Frequency	35kHz to 500kHz (Programmable)	Duty Cycle (Max)	95%
Reference Voltage	700mV, Trimmed to 2%	Voltage Feed-Forward	Yes
Undervoltage Lockout (UVLO)	Yes	External Synchronization	Yes
Soft Start	Programmable Closed-Loop	Short-Circuit Protection	Programmable
Overcurrent Recovery	Hiccup Mode	Quiescent Current	3mA (Typical)
Package / Case	8-SOIC (0.154", 3.90mm Width)	Supplier Device Package	8-SOIC
Package Body Size	3.90mm Width	Pin Count	8
Mounting Type	Surface Mount	Operating Temperature	-55°C to +125°C
Device Marking	40200M	Lead Finish / Ball Material	NiPdAu
MSL Level / Peak Reflow	Level-1-260C-UNLIM	ECCN	EAR99
RoHS	ROHS3 Compliant	REACH Status	REACH Unaffected
Product Status	Active	Packaging	Tape & Reel (2,500 per Reel)
Grade	Enhanced Product (EP)	Synchronous Rectifier	No

Electrical values shown above are reference values. Test conditions, limits, and guaranteed performance should always be confirmed from the current official manufacturer datasheet before design or production use.

DESIGN REFERENCE

Circuit Considerations for TPS40200MDREP

Frequency, Soft Start & Current Limit Programming

The TPS40200MDREP offers flexible programming via external components:

Switching Frequency: Programmable from 35kHz to 500kHz with a single external resistor
Soft Start: Programmable closed-loop soft start with a single external capacitor
Overcurrent Limit: Programmable short-circuit protection threshold
External Synchronization: Can be synchronized to other controllers or a system clock
Voltage Feed-Forward: Input-voltage compensation responds instantly to input-voltage change

PCB and System-Level Guidance

Buck controller performance depends on layout and component selection:

External FET: Requires an external P-channel MOSFET for power switching
Inductor and Capacitors: Select based on switching frequency, output current, and ripple requirements
Feedback Network: Use the 700mV reference to set output voltage with an external resistor divider
High-Reliability Layout: Ensure adequate thermal relief and trace widths for extended temperature operation
Verify the recommended PCB footprint from the official datasheet prior to production

8-LEAD SOIC (3.90mm Width)

Pin Configuration Reference for TPS40200MDREP

TPS40200

SOIC TOP VIEW

Confirm package orientation and pin numbering against the official package drawing before PCB layout. The SOIC package has 8 pins with a 3.90mm body width. The device marking is 40200M.

1 V_DD Input Supply Voltage - 4.5V to 52V

2 GDRV Gate Drive Output - 200mA P-Channel FET Driver

3 GND Ground

4 ISNS Current Sense Input - Programmable Overcurrent Limit

5 RC Frequency Set - External Resistor/Capacitor for Oscillator

6 FB Feedback Input - 700mV Reference

7 COMP Error Amplifier Output - Loop Compensation

8 SS Soft Start - Programmable Closed-Loop Soft Start

APPLICATION AREAS

Typical Applications for TPS40200MDREP

Military & Aerospace

Enhanced Product grade with controlled baseline, extended temperature range, and product traceability for mission-critical defense applications.

High-Reliability Industrial Systems

Wide input voltage range of 4.5V to 52V supports industrial power systems requiring high reliability and long product life cycles.

Telecom & Networking Equipment

Wide input range and external synchronization capability support telecom and networking power system requirements.

Industrial Power Supplies

Non-synchronous buck topology with programmable frequency and current limit for industrial DC/DC conversion applications.

Medical & Analytical Instrumentation

Extended temperature range and robust design suitable for medical and analytical equipment requiring high reliability.

Data Acquisition Systems

Wide input range and programmable switching frequency enable precise power management in data acquisition applications.

REPLACEMENT GUIDANCE

Selecting an Alternative for TPS40200MDREP

A replacement for the TPS40200MDREP should not be selected solely by product category. The electrical characteristics, package, and pin configuration must be evaluated against the specific circuit requirements. The following alternatives are documented in the official Texas Instruments product pages and datasheets.

Topology: Non-synchronous Buck

Input voltage: 4.5V–52V

Output voltage: 0.7V–46V

Switching frequency: 35kHz–500kHz

Package: 8-SOIC

Temperature range: –55°C to 125°C

Internal FET driver: 200mA P-Channel

Grade: Enhanced Product (EP)

Family alternatives (same functionality, different grade or temperature range):

Part Number	Package	Temperature Range	Grade / Qualification	Packaging	Carrier Quantity
TPS40200MDREP	8-SOIC	–55°C to +125°C	Enhanced Product (EP)	Tape & Reel	2,500
TPS40200HDR	8-SOIC	–55°C to +175°C	High Temp (HT)	Tape & Reel	2,500
TPS40200DR	8-SOIC	–40°C to +125°C	Catalog	Tape & Reel	2,500

All alternative part numbers listed above are documented in the official Texas Instruments product pages and datasheets. The TPS40200MDREP is the Enhanced Product (EP) grade version in an 8-SOIC package with tape-and-reel packaging (2,500 units per reel). For high-temperature applications up to 175°C, consider TPS40200HDR. For standard catalog-grade applications with –40°C to +125°C operation, consider TPS40200DR. Select based on temperature grade, qualification, and packaging requirements.

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MANUFACTURER INFORMATION

Texas Instruments

The TPS40200 (TPS40200MDREP) belongs to the TPS40200 family of flexible non-synchronous voltage-mode buck DC/DC controllers from Texas Instruments. The device features a built-in 200-mA driver for P-channel FETs, wide 4.5V to 52V input voltage range, programmable fixed-frequency operation from 35kHz to 500kHz, and comprehensive protection features including UVLO, programmable short-circuit protection, and hiccup overcurrent fault recovery. The TPS40200 family is available in catalog, automotive (AEC-Q100), Enhanced Product (EP), and high-temperature (–55°C to +175°C) grades, serving applications ranging from industrial power supplies to military and aerospace systems.

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Technical Information Disclaimer

This technical guide is provided for product identification and preliminary reference only. Electrical limits, package dimensions, pin configuration, product status, and application suitability must be verified using current official manufacturer documentation before design, procurement, or production.

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TPS40200MDREP Technical Information

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Specifications

Product Attribute: Attribute Value

Part Number: TPS40200MDREP

Manufacturer: Texas Instruments

Package: 8-SOIC (0.154", 3.90mm Width)

Series: -

Package/Case: 8-SOIC (0.154", 3.90mm Width)

Packaging: Tape & Reel (TR)

Product Status: Active

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 1

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 4.5V ~ 52V

Frequency - Switching: 35kHz ~ 500kHz

Duty Cycle (Max): 95%

Synchronous Rectifier: No

Clock Sync: No

Serial Interfaces: -

Control Features: Frequency Control, Soft Start

Operating Temperature: -55°C ~ 125°C (TJ)

Grade: -

Qualification: -

Mounting Type: Surface Mount

Supplier Device Package: 8-SOIC

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TPS40200MDREP Procurement and Technical Support

TPS40200MDREP is manufactured by Texas Instruments. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

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Part Number: TPS40200MDREP

Manufacturer: Texas Instruments

Package: 8-SOIC (0.154", 3.90mm Width)

Category: DC DC Switching Controllers

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